package zhou.jan09.contest06;

public  class A{              
	public static void main(String args[]){                  
	int a=5,b=6;           
	a=a+b;                  
	b=a-b;                  
	a=a-b;                 
	System.out.println("a="+a+"    b="+b);      
	}        
} 

